Forum: Hardware
2020-12-19, 07:19
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Replies: 847
Views: 146,916
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Forum: Information & Answers
2020-10-10, 16:31
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Replies: 13
Views: 2,214
Getting DDR4 memory to run robustly at 4000 can...
Getting DDR4 memory to run robustly at 4000 can be tricky. My guess is that your rig will stabilize once you disable XMP profile and run the memory at stock JEDEC 2133 speed, or back the speed down...
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Forum: Information & Answers
2020-07-19, 15:53
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Replies: 3
Views: 1,712
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Forum: Information & Answers
2020-07-19, 15:36
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Replies: 3
Views: 1,712
Error at PRP completion
One of my machines encountered an error at the completion of a PRP:
[Sat Jul 18 18:26:07 2020 - ver 29.8]
Sending result to server: UID: scan80269/ThimK5, M97167209 is not prime.
PrimeNet...
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Forum: Software
2020-06-21, 23:27
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Replies: 30
Views: 7,987
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Forum: PrimeNet
2020-03-19, 04:28
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Replies: 96
Views: 24,975
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Forum: Information & Answers
2020-01-20, 17:53
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Replies: 1
Views: 1,161
Assignment category downgrade
I think I know the answers to my questions below, but would like some confirmation.
One of my machines has been running Cat 1 PRP assignments for a while, but a LL-DC result returned nearly 3...
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Forum: Information & Answers
2020-01-10, 04:08
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Replies: 6
Views: 1,343
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Forum: Information & Answers
2020-01-09, 05:32
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Replies: 6
Views: 1,343
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Forum: Information & Answers
2020-01-08, 21:01
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Replies: 6
Views: 1,343
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Forum: Information & Answers
2020-01-08, 05:48
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Replies: 6
Views: 1,343
Missing GHz-Day credit for a completed exponent
One of my Prime95 systems completed a PRP run for an exponent (actual value renamed to M90907xxx) earlier today but apparently it did not receive any computation credit for this exponent.
Checking...
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Forum: Hardware
2019-12-26, 19:33
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Replies: 46
Views: 9,782
Z390 motherboards all support dual channel...
Z390 motherboards all support dual channel memory, not quad channel. Most ATX form factor motherboards feature 4 DIMM sockets, thus 2 DIMMs per memory channel.
Options for true quad channel...
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Forum: Hardware
2019-12-16, 02:58
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Replies: 14
Views: 4,999
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Forum: GpuOwl
2019-11-14, 02:45
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Replies: 91
Views: 18,141
There may be a setting in the motherboard BIOS...
There may be a setting in the motherboard BIOS setup that needs to be tweaked to get the Radeon card to be used as primary graphics adapter. The ability of the BIOS to auto-detect an installed...
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Forum: Hardware
2019-11-05, 21:50
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Replies: 14
Views: 3,135
dmidecode may be reading the "standard" 2133...
dmidecode may be reading the "standard" 2133 timing set from the DDR4 SPD, instead of the XMP 2.0 2666 timing set. I suspect your memory is already running at 2666 so this may be just a reporting...
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Forum: Hardware
2019-11-05, 20:57
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Replies: 14
Views: 3,135
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Forum: Hardware
2019-11-05, 20:53
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Replies: 14
Views: 3,135
On my i7-5960X (Haswell-E) with DDR4-2133 CL13...
On my i7-5960X (Haswell-E) with DDR4-2133 CL13 4x8GB 2R memory, Prime95 v29.8 build 6:
Timings for 5120K FFT length (8 cores, 1 worker): 3.80 ms. Throughput: 262.85 iter/sec.
Timings for 5120K...
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Forum: Hardware
2019-11-03, 15:42
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Replies: 14
Views: 3,135
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Forum: Hardware
2019-10-31, 16:54
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Replies: 14
Views: 4,999
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Forum: Hardware
2019-10-29, 15:51
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Replies: 14
Views: 4,999
Ryzen 9 3900X vs. Core i9-10900X
I'm curious to know which of these two CPUs can yield faster iteration times at the current wavefront (FFT 5120K):
1. AMD Ryzen 9 3900X - 12 core, 3.8GHz base, 64MB L3, dual channel DDR4-3200,...
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Forum: Hardware
2019-09-24, 06:51
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Replies: 49
Views: 10,171
Recent generations of Intel desktop processors...
Recent generations of Intel desktop processors (e.g. Coffee Lake-R) should provide significant performance increases AND power reductions compared to your Intel 2nd gen Core (Sandy Bridge) and 3rd...
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Forum: Hardware
2019-09-22, 01:36
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Replies: 49
Views: 10,171
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Forum: Hardware
2019-09-10, 01:54
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Replies: 49
Views: 10,171
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Forum: Hardware
2019-09-08, 17:44
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Replies: 49
Views: 10,171
How about the Xeon W-3175X with 28 cores and 6...
How about the Xeon W-3175X with 28 cores and 6 channels of DDR4 memory and 255W TDP? I can't afford such a system (the motherboard alone is $1800US) so will need help from someone else to see how it...
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Forum: Hardware
2019-09-08, 17:24
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Replies: 49
Views: 10,171
Your description is spot on.
Intel CPU Turbo...
Your description is spot on.
Intel CPU Turbo Boost frequencies for all cores correspond to a power level way higher than TDP, especially when running AVX. The Turbo Boost duration for desktop...
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